Senior Network Administrator with Security Clearance

B/CORE; Gaithersburg (MD); On-site; USD 110,000 - 166,000; Full time

Benefits offered by this job

Health/Dental/Vision

401(k)

Paid Time Off

STD/LTD/Life Insurance/Voluntary Life

Stipends

Referral Bonuses

Job summary

Bcore is seeking a Senior Network Administrator in Gaithersburg, MD to support NGA mission needs. The role requires TS clearance with SCI eligibility and CI poly eligibility, along with deep expertise in enterprise network design, security, and operations.

You'll design, configure, and maintain complex LAN/WAN networks, collaborate with Agile teams, monitor performance, and coordinate upgrades while aligning with government security requirements.

Qualifications

• Active TS clearance with SCI eligibility and CI Poly eligibility.
• CompTIA Security+ certification.
• 8-12 years network admin experience or Master’s with 6-10 years.
• Strong Cisco routing and switching expertise.
• Experience with Agile/Scrum environments.

Responsibilities

• Design, configure, administer, and maintain enterprise LAN, WAN, WLAN, VPN, and data center networks.
• Install, configure, and support Cisco routers, switches, firewalls, load balancers, and other network components.
• Collaborate with Agile Scrum teams to deliver infra enhancements.
• Monitor network performance, capacity, and availability; perform root cause analysis.
• Implement secure network architectures per Intelligence Community requirements.
• Support cloud connectivity, hybrid networking, and modernization initiatives.
• Develop network documentation and topology diagrams; coordinate upgrades and patching.

Skills

Network administration

Cisco routing

Troubleshooting

Communication

Agile/Scrum

Python

Cloud networking

Network automation

Education

Bachelor's degree in Computer Science, Engineering, Information Technology or related field

Tools

Cisco ASA

Palo Alto

Fortinet

VMware NSX

Cisco ACI

Job description

Senior Network Administrator Gaithersburg, MD Active TS (SCI eligibility) clearance and eligibility to obtain a CI poly At Bcore, our strength comes from how we deliver impact to the mission. Whether it’s architecting critical IT solutions, producing actionable intelligence, or developing cutting edge technology, we succeed because of the expertise, collaboration, and agility of our teams. Our Mission Services division combines enterprise IT, cloud solutions, DevSecOps, systems engineering, software development, and operational support. Bcore accelerates decisive advantage for warfighters and intelligence professionals by fusing human insight, rapid-fire engineering, precision-measured outcomes, and relentless grit into mission-ready solutions. Do you want to join a team that is building tailored technical solutions to modernize our government’s mission and our client’s business? Do you have a desire to change how people work? Are you interested in helping to protect our nation’s cyber interests? Join our growing team as a Senior Network Administrator, supporting the NGA customer mission.

Responsibilities

What you get to do every day: * Design, configure, administer, and maintain complex enterprise LAN, WAN, WLAN, VPN, and data center network environments.

• Install, configure, and support Cisco routers, switches, firewalls, load balancers, and other network infrastructure components.
• Collaborate with Agile Scrum teams to deliver infrastructure enhancements supporting continuous integration and rapid capability delivery.
• Participate in sprint planning, backlog refinement, daily stand-ups, reviews, and retrospectives as the networking subject matter expert.
• Monitor network performance, capacity, and availability while proactively identifying opportunities for optimization.
• Troubleshoot complex network issues, perform root cause analysis, and implement long-term corrective actions.
• Implement and maintain secure network architectures in accordance with Intelligence Community security requirements and best practices.
• Support cloud connectivity, hybrid networking, and infrastructure modernization initiatives.
• Develop and maintain network documentation, topology diagrams, standard operating procedures, and configuration baselines.
• Coordinate hardware refreshes, software upgrades, maintenance windows, and patch management activities.
• Partner with cybersecurity teams to address vulnerabilities, implement security controls, and support audits and accreditation activities. Qualifications Clearance Required: Active TS clearance (with SCI Eligibility) and eligibility to obtain CI Poly Certification Required: CompTIA Security+, and Cisco Certified Network Associate (CCNA) or Network Professional (CCNP), or equivalent certification. Education/Experience: * Requires Bachelor's degree in Computer Science, Engineering, Information Technology or related field
• 8-12 years of prior relevant experience or Master’s with 6-10 years of prior relevant experience
• 8+ years of network administration experience Required Skills: * Experience supporting large-scale, mission-critical network environments.
• Strong expertise with Cisco routing and switching technologies.
• Thorough understanding of:
• TCP/IP
• OSPF, BGP, EIGRP
• VLANs
• DNS/DHCP
• VPN technologies
• NAT
• QoS
• Multicast
• Experience administering enterprise firewalls such as Cisco ASA, Palo Alto, or Fortinet.
• Experience with network monitoring and performance management tools.
• Strong troubleshooting, analytical, and problem-solving skills.
• Excellent communication skills and the ability to collaborate across technical disciplines.
• Experience working in Agile or Scrum environments.

What is ideal?

• CompTIA Security+ CE (or DoD 8570/8140 compliant certification)
• Experience supporting Intelligence Community or Department of Defense customers
• Experience with AWS, Azure, or hybrid cloud networking
• Knowledge of Software Defined Networking (SDN)
• Experience with network automation using Python, Ansible, or PowerShell
• Familiarity with Zero Trust Architecture and micro-segmentation
• Experience with DevSecOps and Infrastructure as Code (IaC)
• Experience with VMware NSX or Cisco ACI
• ITIL Foundation certification
• Intelligence Community Experience preferred

What you can expect from us

• * Recognizing great achievements do not go unnoticed by bcore through service anniversaries, spot awards, and employee referral bonuses
• You’ll join a growing organization of passionate, top-shelf, IT engineering professionals with extensive experience in actively developing the technology revolution in the Intelligence community * The expected salary range within the Washington, DC metropolitan area is: $110,000-$166,000. Final compensation is unique to each individual and will be determined based on factors such as experience, education, geographic location, and contractual requirements. This is not a guarantee. * Benefits include Health/Dental/Vision, 401(k), Paid Time Off, STD/LTD/Life Insurance/Voluntary Life Insurance, Stipends, Referral Bonuses, and more.